21000295708

素因数分解:

$2^2\times 7^1\times {\mathrm{750010561}}^1$

素因数の和:750010572

約数の個数: 12

約数和(自身を含む): 42000591472

約数和(自身を除く): 21000295764

約数列:

[1, 2, 4, 7, 14, 28, 750010561, 1500021122, 3000042244, 5250073927, 10500147854, 21000295708]

約数ペア:

[(1, 21000295708), (2, 10500147854), (4, 5250073927), (7, 3000042244), (14, 1500021122), (28, 750010561)]